diff --git a/distributedcloud/dcdbsync/api/controllers/v1/identity/identity.py b/distributedcloud/dcdbsync/api/controllers/v1/identity/identity.py
index afd0dac18..8bbd6ca98 100644
--- a/distributedcloud/dcdbsync/api/controllers/v1/identity/identity.py
+++ b/distributedcloud/dcdbsync/api/controllers/v1/identity/identity.py
@@ -44,11 +44,6 @@ class UsersController(object):
     def __init__(self):
         super(UsersController, self).__init__()
 
-    # to do the version compatibility for future purpose
-    def _determine_version_cap(self, target):
-        version_cap = 1.0
-        return version_cap
-
     @expose(generic=True, template="json")
     def index(self):
         # Route the request to specific methods with parameters
@@ -140,11 +135,6 @@ class GroupsController(object):
     def __init__(self):
         super(GroupsController, self).__init__()
 
-    # to do the version compatibility for future purpose
-    def _determine_version_cap(self, target):
-        version_cap = 1.0
-        return version_cap
-
     @expose(generic=True, template="json")
     def index(self):
         # Route the request to specific methods with parameters
diff --git a/distributedcloud/dcdbsync/api/controllers/v1/identity/project.py b/distributedcloud/dcdbsync/api/controllers/v1/identity/project.py
index be37f30a2..ffe6b905d 100644
--- a/distributedcloud/dcdbsync/api/controllers/v1/identity/project.py
+++ b/distributedcloud/dcdbsync/api/controllers/v1/identity/project.py
@@ -44,11 +44,6 @@ class ProjectsController(object):
     def __init__(self):
         super(ProjectsController, self).__init__()
 
-    # to do the version compatibility for future purpose
-    def _determine_version_cap(self, target):
-        version_cap = 1.0
-        return version_cap
-
     @expose(generic=True, template="json")
     def index(self):
         # Route the request to specific methods with parameters
diff --git a/distributedcloud/dcdbsync/api/controllers/v1/identity/role.py b/distributedcloud/dcdbsync/api/controllers/v1/identity/role.py
index 69346e4ef..5221b51d8 100644
--- a/distributedcloud/dcdbsync/api/controllers/v1/identity/role.py
+++ b/distributedcloud/dcdbsync/api/controllers/v1/identity/role.py
@@ -44,11 +44,6 @@ class RolesController(object):
     def __init__(self):
         super(RolesController, self).__init__()
 
-    # to do the version compatibility for future purpose
-    def _determine_version_cap(self, target):
-        version_cap = 1.0
-        return version_cap
-
     @expose(generic=True, template="json")
     def index(self):
         # Route the request to specific methods with parameters
diff --git a/distributedcloud/dcdbsync/api/controllers/v1/identity/token_revoke_event.py b/distributedcloud/dcdbsync/api/controllers/v1/identity/token_revoke_event.py
index e009dcaf2..01e883866 100644
--- a/distributedcloud/dcdbsync/api/controllers/v1/identity/token_revoke_event.py
+++ b/distributedcloud/dcdbsync/api/controllers/v1/identity/token_revoke_event.py
@@ -45,11 +45,6 @@ class RevokeEventsController(object):
     def __init__(self):
         super(RevokeEventsController, self).__init__()
 
-    # to do the version compatibility for future purpose
-    def _determine_version_cap(self, target):
-        version_cap = 1.0
-        return version_cap
-
     @expose(generic=True, template="json")
     def index(self):
         # Route the request to specific methods with parameters
diff --git a/distributedcloud/dcmanager/api/controllers/v1/subclouds.py b/distributedcloud/dcmanager/api/controllers/v1/subclouds.py
index 7d347d700..dcd08da0c 100644
--- a/distributedcloud/dcmanager/api/controllers/v1/subclouds.py
+++ b/distributedcloud/dcmanager/api/controllers/v1/subclouds.py
@@ -23,7 +23,6 @@ import os
 import re
 
 from fm_api.constants import FM_ALARM_ID_UNSYNCHRONIZED_RESOURCE
-import keyring
 from netaddr import IPNetwork
 from oslo_config import cfg
 from oslo_log import log as logging
@@ -91,11 +90,6 @@ class SubcloudsController(object):
         self.dcmanager_rpc_client = rpc_client.ManagerClient()
         self.dcmanager_state_rpc_client = rpc_client.SubcloudStateClient()
 
-    # to do the version compatibility for future purpose
-    def _determine_version_cap(self, target):
-        version_cap = 1.0
-        return version_cap
-
     @expose(generic=True, template="json")
     def index(self):
         # Route the request to specific methods with parameters
@@ -311,36 +305,6 @@ class SubcloudsController(object):
             None,
         )
 
-    def _get_subcloud_users(self):
-        """Get the subcloud users and passwords from keyring"""
-        DEFAULT_SERVICE_PROJECT_NAME = "services"
-        # First entry is openstack user name, second entry is the user stored
-        # in keyring. Not sure why heat_admin uses a different keystone name.
-        SUBCLOUD_USERS = [
-            ("sysinv", "sysinv"),
-            ("patching", "patching"),
-            ("vim", "vim"),
-            ("mtce", "mtce"),
-            ("fm", "fm"),
-            ("barbican", "barbican"),
-            ("smapi", "smapi"),
-            ("dcdbsync", "dcdbsync"),
-        ]
-
-        user_list = list()
-        for user in SUBCLOUD_USERS:
-            password = keyring.get_password(user[1], DEFAULT_SERVICE_PROJECT_NAME)
-            if password:
-                user_dict = dict()
-                user_dict["name"] = user[0]
-                user_dict["password"] = password
-                user_list.append(user_dict)
-            else:
-                LOG.error("User %s not found in keyring as %s" % (user[0], user[1]))
-                pecan.abort(500, _("System configuration error"))
-
-        return user_list
-
     def _get_deploy_config_sync_status(self, context, subcloud_name, keystone_client):
         """Get the deploy configuration insync status of the subcloud"""
         detected_alarms = None
diff --git a/distributedcloud/dcorch/api/controllers/v1/subcloud_manager.py b/distributedcloud/dcorch/api/controllers/v1/subcloud_manager.py
index a36584955..960763b82 100644
--- a/distributedcloud/dcorch/api/controllers/v1/subcloud_manager.py
+++ b/distributedcloud/dcorch/api/controllers/v1/subcloud_manager.py
@@ -39,11 +39,6 @@ class SubcloudController(object):
         super(SubcloudController, self).__init__(*args, **kwargs)
         self.rpc_client = rpc_client.EngineWorkerClient()
 
-    # to do the version compatibility for future purpose
-    def _determine_version_cap(self, target):
-        version_cap = 1.0
-        return version_cap
-
     @expose(generic=True, template="json")
     def index(self):
         # Route the request to specific methods with parameters